CN211602208U - Prevention of seepage oil high temperature resistant temperature sensor - Google Patents
Prevention of seepage oil high temperature resistant temperature sensor Download PDFInfo
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- CN211602208U CN211602208U CN201922246027.XU CN201922246027U CN211602208U CN 211602208 U CN211602208 U CN 211602208U CN 201922246027 U CN201922246027 U CN 201922246027U CN 211602208 U CN211602208 U CN 211602208U
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Abstract
The utility model belongs to the technical field of temperature sensors, and discloses an oil leakage prevention high temperature resistant temperature sensor, which comprises a junction box and an insulating protection tube which are connected in sequence, wherein a strip-shaped hot electrode penetrates through the insulating protection tube; a high-temperature-resistant protection assembly is filled between the inner wall of the insulation protection tube and the thermode and comprises a reinforced fiber outer net and a reinforced fiber inner net which are coaxially arranged, wherein the reinforced fiber outer net is in contact with the inner wall of the insulation protection tube, the reinforced fiber inner net is in contact with the surface wall of the thermode, and high-temperature-resistant silicone particles are filled between the reinforced fiber outer net and the reinforced fiber inner net; the hot electrode comprises a measuring end and a compensating end, and a high-temperature-resistant insulating tape is wound at the joint of the measuring end and the compensating end; the sealing assembly is positioned at the joint of the insulating protection pipes; to sum up, make the utility model has the advantages of stable in structure, the leakproofness is good, long service life and high temperature resistance.
Description
Technical Field
The utility model belongs to the technical field of temperature sensor, concretely relates to prevention of seepage oil high temperature resistant temperature sensor.
Background
At present, thermocouple sensors are mostly used in industrial production, and such sensors usually comprise a thermode, an insulating protection tube, and a junction box, wherein the thermode comprises a measuring end and a compensation end. In the prior art, the measurement end and the compensation end are fixedly connected in a welding mode mostly, but the size of the thermode is small, so that the welding area of the welding part is small, the stability of the whole structure is affected, and particularly, under the condition of high temperature or frequent vibration, the phenomenon that the welding part is broken easily occurs, so that the whole sensor is damaged, and the temperature detection range of the sensor is limited.
In addition, the temperature sensor applied to industrial production also has good sealing performance, and particularly in the detection of the temperature of industrial oil, if the sealing performance is insufficient, the oil leakage phenomenon can occur, and the service life of the whole sensor is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an prevention seepage oil high temperature resistant temperature sensor to solve the problem that proposes in the above-mentioned background art.
The utility model discloses a concrete technical scheme as follows:
a temperature sensor with oil leakage prevention and high temperature resistance comprises a junction box and an insulation protection tube which are sequentially connected, wherein a strip-shaped hot electrode penetrates through the insulation protection tube and is used for temperature detection, a high-temperature-resistant protection assembly is filled between the inner wall of the insulation protection tube and the hot electrode, the high-temperature-resistant protection assembly comprises a reinforcing fiber outer net and a reinforcing fiber inner net which are coaxially arranged, the reinforcing fiber outer net is in contact with the inner wall of the insulation protection tube, the reinforcing fiber inner net is in contact with the surface wall of the hot electrode, and high-temperature-resistant silicone particles are filled between the reinforcing fiber outer net and the reinforcing fiber inner net;
the thermode includes measuring end and compensation end, and the junction of measuring end and compensation end is around being equipped with high temperature resistant insulating tape, high temperature resistant insulating tape is fixed through the welding.
Preferably, the outer reinforcing fiber net and the inner reinforcing fiber net are made of one or more of ceramic fibers and glass fibers.
Preferably, the outer wall of the insulating protection tube is provided with an antistatic film layer, and the antistatic film layer is formed by coating antistatic paint.
Preferably, the insulation protection pipe comprises a support pipe, and one end of the support pipe is screwed with the junction box through threads.
Preferably, the insulating protection tube further comprises an adapter and a connecting tube, and the supporting tube and the connecting tube are connected with the adapter in a screwing mode.
Preferably, the insulation protection pipe further comprises a sealing assembly, and the sealing assembly is located at the joint of the insulation protection pipe; the sealing assembly comprises a sealing gasket, a compression nut and a limiting welding ring, the sealing gasket and the limiting welding ring are respectively positioned on two sides of the compression nut, and the compression nut is connected with the insulating protection tube in a screwing mode.
The utility model discloses an useful part:
(1) stable in structure, leakproofness are good: the utility model effectively realizes the fastening and sealing of the connection part of the insulating protection tube based on the sealing component, so as to effectively avoid the oil leakage problem; and whole seal assembly forms spacing fixedly based on spacing welding ring again to avoid appearing the not hard up problem of structure, and then effectively guaranteed the continuation and the stability of sealed effect.
(2) Long service life, high temperature resistance: the utility model discloses in twine, weld the junction of thermode based on high temperature resistant insulating tape, improve the structural stability of thermode junction from this, avoid appearing the sensor damage phenomenon under high temperature or vibration environment.
(3) In addition, the utility model discloses in still form effective protection to the thermode based on high temperature resistant protection component to reduce the influence of the vibrations of external environment to the thermode; the high-temperature-resistant protection component also comprises an inner reinforcing fiber net and an outer reinforcing fiber net which are coaxially arranged, so that the structural strength of the whole sensor is improved, and the service life of the sensor is further prolonged.
Drawings
Fig. 1 is an exploded view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of a support tube according to the present invention;
in the figure: 1-junction box, 2-support tube, 21-antistatic film layer, 3-sealing component, 31-sealing gasket, 32-gland nut, 33-limit welding ring, 4-adapter, 5-connecting tube, 6-measuring end, 7-compensating end, 8-high temperature resistant insulating tape, 9-high temperature resistant protection component, 91-reinforced fiber outer net, 92-high temperature resistant silicone particles and 93-reinforced fiber inner net
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
Example one
As shown in fig. 1-2, an exploded view and a side view of the overall structure of a first embodiment of the present invention are provided, which provides an oil-seepage-proof high-temperature-resistant temperature sensor, comprising a terminal box 1 and an insulating protection tube connected in sequence;
preferably, the insulation protection tube comprises a support tube 2, and one end of the support tube 2 is screwed with the terminal box 1.
Preferably, the insulating protection tube further comprises an adapter 4 and a connecting tube 5, and the support tube 2 and the connecting tube 5 are both connected with the adapter 4 in a screwing manner.
Further, the device also comprises a sealing component 3, and the sealing component 3 is positioned at the joint of the insulating protection pipes; the sealing assembly 3 comprises a sealing gasket 31, a compression nut 32 and a limiting welding ring 33, the sealing gasket 31 and the limiting welding ring 33 are respectively positioned on two sides of the compression nut 32, and the compression nut 32 is screwed with the insulating protection tube.
In summary, as can be seen from fig. 1, the compression nut 32 is compressed at the joint of the insulating protection tubes, and cooperates with the sealing gasket 31 to form a compression seal, and then a limiting welding ring 33 is welded on a side away from the sealing gasket 31 to limit the position of the compression nut 32, thereby ensuring the stability of the overall structure seal and avoiding the oil leakage.
Example two
As shown in fig. 3, on the basis of the structure disclosed in the first embodiment, a strip-shaped thermode penetrates through the insulating protection tube and is used for temperature detection; a high-temperature-resistant protection component 9 is filled between the inner wall of the insulation protection tube and the thermode, and the high-temperature-resistant protection component 9 comprises a reinforced fiber outer net 91 and a reinforced fiber inner net 93 which are coaxially arranged, wherein the reinforced fiber outer net 91 is in contact with the inner wall of the insulation protection tube, the reinforced fiber inner net 93 is in contact with the surface wall of the thermode, and high-temperature-resistant silicone particles 92 are filled between the reinforced fiber outer net 91 and the reinforced fiber inner net 93;
the thermode includes measuring terminal 6 and compensation end 7, and measuring terminal 6 and the junction of compensation end 7 around being equipped with high temperature resistant insulating tape 8, and high temperature resistant insulating tape 8 is fixed through the welding.
Preferably, one or more of ceramic fibers and glass fibers are used for both the outer reinforcing fiber mesh 91 and the inner reinforcing fiber mesh 93.
In conclusion, the reinforcing fibers and the silicone grease have good high temperature resistance and good heat conductivity, so that the high temperature resistance degree of the whole structure is improved on the premise of not influencing the heat conduction effect; the filling of the high temperature resistant silicone particles 92 ensures that a certain movable space is formed between the outer reinforcing fiber mesh 91 and the inner reinforcing fiber mesh 93, so that the buffer protection effect on the thermode is achieved, and the influence of the vibration of the external environment on the thermode is weakened; in addition, the reinforced fiber also has good structural strength so as to effectively achieve the supporting effect on the insulating protection tube, reduce the probability of small deformation of the insulating protection tube at high temperature and prolong the service life of the insulating protection tube.
Further, the outer wall of the insulating protection tube is provided with an antistatic film layer 21, and the antistatic film layer 21 is formed by coating antistatic paint.
Based on this, effectively avoid insulating protection tube surface to appear attaching the dirt phenomenon to guarantee its detection precision, the concrete principle is: when the sensor detects, if a layer of dust is attached to the surface of the insulating protection tube, the thermal resistance of the insulating protection tube is increased, so that the heat conduction is hindered, and the detection temperature of the sensor is lower than the real temperature; the dust adhesion is formed based on electrostatic adsorption, and particularly, under the high-temperature ionization state, the dust adhesion effect is more obvious, so that the surface of the insulating protection tube can be effectively prevented from generating static electricity by utilizing the antistatic film layer, the dust adhesion phenomenon is avoided, the detection temperature of the sensor is closer to the true temperature, and the effect of improving the detection accuracy is achieved.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and alterations to the embodiments will still fall within the scope of the invention.
Claims (6)
1. The utility model provides a prevention seepage oil high temperature resistance temperature sensor, is including terminal box (1) and the insulating protection pipe that connects gradually, and runs through in the insulating protection pipe and have strip thermode for carry out temperature detection, its characterized in that: a high-temperature-resistant protection component (9) is filled between the inner wall of the insulation protection tube and the thermode, the high-temperature-resistant protection component (9) comprises a reinforcing fiber outer net (91) and a reinforcing fiber inner net (93) which are coaxially arranged, the reinforcing fiber outer net (91) is in contact with the inner wall of the insulation protection tube, the reinforcing fiber inner net (93) is in contact with the surface wall of the thermode, and silicone particles (92) are filled between the reinforcing fiber outer net (91) and the high-temperature-resistant reinforcing fiber inner net (93);
the thermode includes measuring terminal (6) and compensation end (7), and the junction of measuring terminal (6) and compensation end (7) is around being equipped with high temperature resistant insulating tape (8), high temperature resistant insulating tape (8) are fixed through the welding.
2. The oil-tight high-temperature-resistant temperature sensor according to claim 1, wherein: the outer reinforcing fiber net (91) and the inner reinforcing fiber net (93) are made of one or more of ceramic fibers and glass fibers.
3. The oil-tight high-temperature-resistant temperature sensor according to claim 1, wherein: the outer wall of the insulating protection tube is provided with an antistatic film layer (21), and the antistatic film layer (21) is formed by coating antistatic paint.
4. The oil-tight high-temperature-resistant temperature sensor according to claim 1, wherein: the insulating protection tube comprises a supporting tube (2), and one end of the supporting tube (2) is connected with the junction box (1) in a screwing mode through threads.
5. The oil-tight high-temperature-resistant temperature sensor according to claim 1, wherein: the insulating protection tube further comprises an adapter (4) and a connecting pipe (5), and the supporting pipe (2) and the connecting pipe (5) are connected with the adapter (4) in a screwing mode.
6. The oil-impermeable high-temperature-resistant temperature sensor according to claim 4 or 5, characterized in that: the sealing device also comprises a sealing component (3), and the sealing component (3) is positioned at the joint of the insulating protection pipes; the sealing assembly (3) comprises a sealing gasket (31), a compression nut (32) and a limiting welding ring (33), the sealing gasket (31) and the limiting welding ring (33) are respectively located on two sides of the compression nut (32), and the compression nut (32) is connected with the insulating protection tube in a screwing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246027.XU CN211602208U (en) | 2019-12-16 | 2019-12-16 | Prevention of seepage oil high temperature resistant temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246027.XU CN211602208U (en) | 2019-12-16 | 2019-12-16 | Prevention of seepage oil high temperature resistant temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211602208U true CN211602208U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922246027.XU Active CN211602208U (en) | 2019-12-16 | 2019-12-16 | Prevention of seepage oil high temperature resistant temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211602208U (en) |
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2019
- 2019-12-16 CN CN201922246027.XU patent/CN211602208U/en active Active
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